Biospheric effects of a large extraterrestrial impact
Subtitle: case study of the cretaceous/tertiary boundary crater, Fy 1994 progress report.
Contributors: United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-198015.; NASA contractor report -- NASA CR-198015.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1995
Place of publication: [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 95-0615-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1995] 1 microfiche.